Description: 【Material】: Crafted from PP, this windmill model ensures durability and longevity, making it ideal for repeated use in various science experiments 【Compact Size】: With dimensions of 21.5cm in length, 7.5cm in width, and 25cm in height, this windmill model is designed to fit comfortably on any desk or display area 【Educational DIY Project】: Good for students and hobbyists alike, this kit encourages hands-on learning and creativity through assembly and experimentation with scientific principles 【Educational Science for Kids】: This DIY windmill paper circuit kit is designed to spark interest in science and technology through hands-on experimentation 【Gift】: Ideal for birthdays or holidays, this science experiment kit encourages creativity and learning in children, making it a thoughtful present that combines fun with education   Specification: Material: PP Size Chart: 21.5cmx7.5cmx25cm/8.46inchx2.95inchx9.84inch Package Includes: 1x DIY Science Windmill Toy Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.